Casio CFX-9800G Owner's Manual page 7

can make changes or re-execute it as it is.
a Example: 1 15/16 + 37/9
Example: To change the calculation in the last example
(25 x sin 45°) to (25 x sin 55°). 1. Press . :
1. Press @ to display the last calculation: . a : 2. Press (4) (s)
2.Use © twice to move the cursor under the 4.
(6) (3)
3, Press CS). : ; : (3) (Be) .
4. Press to execute the calculation again. ~
Indicates 6 7/144:
Converting a Mixed Fraction to an Improper Fraction
; afe
While a mixed fraction is shown on the display, press
to convert it to an improper fraction.
dle " Ft '
Press again to convert back to a mixed fraction.